we saw president obama, of course, shake the hand of cuba's leader raoul castro. tell us what the mood has been like in the ceremony so far. >> reporter: well, let's not be overly nice about this. that dignitary section has some criminals and thieves and kings and presidents. a lot of different types of people. and there has been a lot written and said about where to seat them, so they keep their distances. several factions are not speaking to each other. several have been lifelong sworn enemies. as lester noted, the president's handshake with raoul castro was one of the better moments. the crowd's reception for robert mugabi was interesting. so, again, what would nelson mandela say to all of them and say to all of this. most of the speakers have urged the crowd, go on, behave like him. live like him. be infused with his spirit going forward, and maybe we could get someplace. >> brian williams in soweto for us this morning. thank you so much. of course, we know brian is going to have a lot more throughout the day on nbc news.com and also "nightly news." >> another